...sp;of the lower-ranking types whose drudgery is eased.请问老师,这里的would have been是什么用法?我的理解:这是从现在的立场对现实可能性进行推测时,情态动词的过去形式并不表示过去,而只表示说话人推测时的信心小于相应的现在形式...
a country of people with varied originsmagnificent variety of plant and animal life请问这种很长的of结构,还能前后互换位置,变成这样吗? people with varied origins 's country ; plant and animal life 's magnificent variety